31485370006253 has 2 divisors, whose sum is σ = 31485370006254. Its totient is φ = 31485370006252.

The previous prime is 31485370006159. The next prime is 31485370006273. The reversal of 31485370006253 is 35260007358413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27107621424004 + 4377748582249 = 5206498^2 + 2092307^2 .

It is a cyclic number.

It is not a de Polignac number, because 31485370006253 - 2¹⁸ = 31485369744109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31485370006198 and 31485370006207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31485370006273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15742685003126 + 15742685003127.

It is an arithmetic number, because the mean of its divisors is an integer number (15742685003127).

Almost surely, 2^{31485370006253} is an apocalyptic number.

It is an amenable number.

31485370006253 is a deficient number, since it is larger than the sum of its proper divisors (1).

31485370006253 is an equidigital number, since it uses as much as digits as its factorization.

31485370006253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 31485370006253 in words is "thirty-one trillion, four hundred eighty-five billion, three hundred seventy million, six thousand, two hundred fifty-three".